Home / 2,213,438.82-3,321,123.14-775,154

Finding the Fourth Proportional to 2,213,438.82, 3,321,123.14 and 775,154

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Solution

The fourth proportional to 2,213,438.82, 3,321,123.14 and 775,154 is: 1,163,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,438.82 : 3,321,123.14 = 775,154 : x
  2. Step 2: Convert to fraction form
    2,213,438.82/3,321,123.14 = 775,154/x
  3. Step 3: Cross multiply
    2,213,438.82x = 3,321,123.14 × 775,154
  4. Step 4: Simplify right side
    2,213,438.82x = 2,574,381,886,463.56
  5. Step 5: Solve for x
    x = 2,574,381,886,463.56/2,213,438.82
  6. Step 6: Final answer
    x = 1,163,068.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.